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softwaremill

19 indexed repositories · View on GitHub

elasticmq
In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.

Scala · 2935 stars
sttp
The Scala HTTP client you always wanted!

Scala · 1506 stars
tapir
Rapid development of self-documenting APIs

Scala · 1474 stars
macwire
Zero-cost, compile-time, type-safe dependency injection library.

Scala · 1315 stars
quicklens
Modify deeply nested case class fields

Scala · 852 stars
magnolia
Easy, fast, transparent generic derivation of typeclass instances

Scala · 802 stars
bootzooka
Template project to quickly start developing a Scala-based microservice or web application, with the build & project structure provided

TypeScript · 786 stars
ox
Safe direct-style streaming, concurrency and resiliency for Scala on the JVM

Scala · 522 stars
jox
Virtual-thread based safe concurrency & streaming

Java · 423 stars
chimp
Build type-safe, boilerplate-less MCP servers and clients in Scala

Scala · 102 stars
sttp-ai
Scala toolkit for working with third-party LLMs (OpenAI, Claude, and compatible). Define agents, call provider APIs, use MCPs, ensure cor...

Scala · 101 stars
sbt-softwaremill
A sane set of default build settings

Scala · 72 stars
livestub
The HTTP server stub you always wanted!

Scala · 56 stars
sttp-model
Simple Scala HTTP model

Scala · 45 stars
klag-exporter
Apache Kafka ™ Consumer Lag Exporter for OTEL and Prometheus

Rust · 33 stars
adopt-tapir
A quickstart generator for Tapir projects

Scala · 19 stars
okapi
Reliable message delivery using the transactional outbox pattern for Kotlin

Kotlin · 13 stars
scalatimes

Pug · 6 stars
joinus-devops-service

Scala · 0 stars

Beginner friendly Everything

Open All

[Feature Request] Support http4s on Scala Native 0.5 Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

softwaremill/tapir#5196 · Opened Apr 30, 2026
After running tests locally, testcontainers are not shutdown Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

softwaremill/bootzooka#2745 · Opened Apr 28, 2026
ECONNREFUSED after updating to 1.7.1 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

softwaremill/elasticmq#1212 · 3 comments · Opened Apr 9, 2026
unused warnings after macro expansion for sealed traits Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

softwaremill/magnolia#634 · 2 comments · Opened Mar 12, 2026
Add .when operator that throws when type doesn't match Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

softwaremill/quicklens#296 · Opened Feb 25, 2026
Support covariant typeclass families Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

softwaremill/magnolia#627 · 4 comments · Opened Feb 17, 2026
Attempt to remove SyncHttpTest in the Scala Native implementation Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

softwaremill/sttp#2808 · Opened Feb 16, 2026
ReadException "too many concurrent streams" - 2 Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

softwaremill/sttp#2788 · 2 comments · Opened Feb 2, 2026
Add grafana annotation for phase in test-stack Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/klag-exporter#19 · 1 comment · Opened Jan 19, 2026
FollowRedirects, set-cookie, final response cookie contents & cookies given on each re-direct request (GSoC 2026) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

softwaremill/sttp#2755 · 1 comment · Opened Jan 3, 2026
oneOf inputs with different types for different formats Open

v2

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/tapir#4971 · 2 comments · 1 reaction · Opened Dec 10, 2025
Surprising behaviour on Stream using "modify", "each" and "using" Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

softwaremill/quicklens#291 · 1 comment · Opened Nov 26, 2025
Cross-platform reuse blocker: OnDecodeFailureNextEndpointAttribute is server-only and private Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/tapir#4935 · 6 comments · Opened Nov 21, 2025
[BUG] RejectHandler doesn't works for Vertx web server Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

softwaremill/tapir#4870 · 2 comments · Opened Oct 14, 2025
Actors impl can easily lead to multithreading issues Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

softwaremill/ox#366 · 7 comments · Opened Sep 26, 2025
java.lang.NoSuchMethodError after adding a parameter Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/macwire#412 · 3 comments · Opened Aug 28, 2025
Confusing ArmeriaCatsBackend initialization Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/sttp#2628 · 1 comment · Opened Aug 5, 2025
Changes due to introduction of fair queues Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

softwaremill/elasticmq#1139 · Opened Jul 25, 2025
SSE with a project having shared routes for jvm and scalajs Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

softwaremill/tapir#4724 · 3 comments · Opened Jul 24, 2025
validation done by parse and safeApply functions of Uri Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

softwaremill/sttp#2617 · 1 comment · Opened Jul 17, 2025
After Magnum is updated, update logging to not log at error-level SQL Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

softwaremill/bootzooka#1516 · Opened Jul 17, 2025
Schema support for mutually exclusive fields (exactly oneOf) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

softwaremill/tapir#4684 · 1 comment · Opened Jul 2, 2025
Specify audience in Oauth 2.0 Client Credentials flow Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

softwaremill/tapir#4663 · 1 comment · Opened Jun 19, 2025
Adding/removing endpoints on runtime Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

softwaremill/chimp#13 · 3 comments · Opened Jun 18, 2025
Test the VT-native Netty Virtual Thread scheduler for netty-server-sync Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

softwaremill/tapir#4658 · Opened Jun 17, 2025
SSE auto ping Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

softwaremill/chimp#9 · 21 comments · Opened Jun 11, 2025
chimp should support 2025-03-26 and 2024-11-05 at the same time. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/chimp#7 · Opened Jun 9, 2025
Consider enum cases as objects? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

softwaremill/magnolia#598 · 3 comments · Opened May 26, 2025
Support micro batching in channels Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

softwaremill/jox#128 · 1 comment · Opened May 19, 2025
Should TryBackend be used by default in the code examples? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

softwaremill/sttp#2567 · 1 comment · Opened May 15, 2025
Consider adding non-pinning blocking file operations using io_uring & Panama APIs Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

softwaremill/ox#311 · 2 comments · Opened May 13, 2025
Bump netty version to 4.1.118.Final for client3 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/sttp#2555 · 1 comment · Opened May 8, 2025
Implement Administration API's Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

softwaremill/sttp-ai#326 · Opened Apr 17, 2025
Dependency Dashboard Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

softwaremill/jox#101 · Opened Apr 15, 2025
Allow not including the received (invalid) value in the error message created by DefaultDecodeFailureHandler Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/tapir#4496 · Opened Apr 8, 2025
Add an option to generate a single-file skeleton, using scala-cli Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

softwaremill/adopt-tapir#761 · Opened Apr 3, 2025
wire doesn't work with abstract effect type Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

softwaremill/macwire#391 · 1 comment · Opened Mar 30, 2025
[BUG] Cannot use a body in serverSecurityLogic: causes java.lang.IllegalStateException: This publisher only supports one subscriber Open

softwaremill/tapir#4442 · 4 comments · 1 assignee · Opened Mar 20, 2025
[Feature Proposal] Support custom paths and multiple components in custom Validators Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

softwaremill/tapir#4417 · 3 comments · Opened Mar 13, 2025
Missing typeName / typeInfo for case class parameters on Scala 3 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

softwaremill/magnolia#582 · 1 comment · Opened Feb 27, 2025
[BUG] Invalid transaction names in OTEL Java agent when using Tapir + Akka Http Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/tapir#4343 · 3 comments · Opened Feb 14, 2025
[BUG]tapir_enumeratum doest not handle @customise annotation and shortEnum output String type. Open

softwaremill/tapir#4292 · 1 assignee · Opened Jan 27, 2025
When an invalid message (which errors on decoding) is sent to a WS endpoint, the WS is not closed Open

zio

Difficulty 3/5 1-2 days Newbie friendliness 35/100

softwaremill/tapir#4291 · 1 reaction · Opened Jan 27, 2025
Include examples from serverless in the examples documentation page Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

softwaremill/tapir#4225 · Opened Dec 27, 2024
Scala 3: wrongly accepted `modify` does nothing Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

softwaremill/quicklens#258 · 4 comments · Opened Nov 29, 2024
[BUG] Server should return 400 Bad request if not all body bytes received Open

softwaremill/tapir#4169 · 3 comments · 2 assignees · Opened Nov 14, 2024
Provide a generator that can generate valid requests/responses from an Endpoint definition Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

softwaremill/tapir#4124 · Opened Oct 30, 2024
Bring the scala3-v2 branch up-to-date, review, publish Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

softwaremill/magnolia#552 · 2 comments · 2 reactions · Opened Oct 30, 2024
[question] Derivation differences between Scala 2 and 3 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

softwaremill/magnolia#550 · 3 comments · Opened Oct 24, 2024
Respond in valid JSON Array when using streams Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

softwaremill/tapir#4116 · 1 comment · 1 reaction · Opened Oct 24, 2024

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